HCID 18333207, compound → HCID 18333199, compound
Reaction equation
[CH2:1]([N:3]1[C:12]2[C:7](=[CH:8][CH:9]=[C:10]([F:15])[C:11]=2[O:13][CH3:14])[C:6](=[O:16])[C:5]([C:17]([O:19]CC)=[O:18])=[CH:4]1)[CH3:2]>C(O)(=O)C.O.S(=O)(=O)(O)O>[CH2:1]([N:3]1[C:12]2[C:7](=[CH:8][CH:9]=[C:10]([F:15])[C:11]=2[O:13][CH3:14])[C:6](=[O:16])[C:5]([C:17]([OH:19])=[O:18])=[CH:4]1)[CH3:2]Participants
3
Reactant 1
Product 1
Reagents, catalysts & solvents 1
Procedure
Ethyl 1-ethyl-1,4-dihydro-7-fluoro-8-methoxy-4-oxo-3-quinolinecarboxylate (1.37 g, 4.7 mmol) is suspended in a mixture of acetic acid:water:sulfuric acid (8:6:1). The mixture is refluxed for 3 hours, and then cooled to room temperature. The crystals are filtered and rinsed with cold water.
Workup
- temperatureThe mixture is refluxed for 3 hours
- filtrationThe crystals are filtered
- washrinsed with cold water
Sources & evidence
- ORD record
- ord-cef1ff025e864f818f32379e0e1f52af
- Source dataset
- uspto-grants-2009_01
- Patent number
- US07482454B2
Reaction notes
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